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Recent Updates

  • Community
  • Utilities
    Due to the fact that CajeASM hasn't been updated by me for many years, still has some odd bugs regarding instruction counter and due to the fact that (nowadays) better alternatives exist now, I've decided to delete this tool from this website. An alternative assembler I can recommend is bass, currently maintained by ARM9. To be found here:
  • Reviews
    Upon further play, I discovered this hack broke an integral system to the game (the dash function).
  • Translations
    Source code link added.
  • Translations
    Source code link added.

Rockman 2 YJ 1.1

Hack of Mega Man 2


This is a Japanese version of Rockman 2 hack, you need to import the IPS patch into the original Rockman 2, not Mega Man 2! This hack modifies the following:

  • Level design
  • graphics
  • music
  • boss, enemy AI
  • weapons
  • partial text
  • some parameter adjustments
  • Difficulty is harder than the original, but you can pass the level
  • and more…

Enjoy this hack!

1.2 Update content:

  • Fixed Bubbleman level boss door not working
  • Avoided the problem of discoloration in Airman level

ROM / ISO Information:

  • Database match: Rockman 2 - Dr. Wily no Nazo (Japan)
  • Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
  • File SHA-1: 108118F41E4CD9E375249D3A3B37A7360024FE64
  • File CRC32: C722D58D
  • ROM SHA-1: 3E9DC769E1B63E73834786EC7FE9EDE7E706C72F
  • ROM CRC32: 6150517C




ContributorType of contributionListed credit

User Review Information

This hack is a mess

Reviewed By: hdofu on 06 Aug 2022

The mini frog enemy ai in Bubbleman’s completely bonkers making them actively seemingly avoiding you much of the time. Airman’s stage needs a seizure warning for constantly flashing lights with background items, safe blocks, and death spikes very hard to differentiate from each other while all of this is going on. The Rabbits bot in Woodman’s stage fires their carrots like they are in a Touhou game making it virtually impossible to not take cheap hits. There are also what I’d call “sporadic difficulty shifts” in the levels coupled with instant death spikes that aren’t always easy, and spontaneous appearing aggressively fast enemies making you have to constantly second guess your approach.

On the positive side, the midis are all solid.

Version 1.0 Recommended - No

User Reviews
Fix your hack pleasemegarobman06 Aug 20221.0No
This hack is a messhdofu06 Aug 20221.0No